2 Syllables: SU
audit, boxes, broadest, caustic, chronic, colic, comic, conic, cottage, Doris, drawbridge, Fawcett, frolic, Gothic, Hollis, logic, Maurice, octave, ostrich, plaudits, polish, profit, Psalmist, Roderick, Romish, Scottish, Slavic, sonic, sonnet, sophist, stoppage, tallest, tonic, topic, tropic, Wallace, Wallis
3 Syllables: USU
abolish, admonish, agnostic, aquatic, astonish, atomic, carbolic, carbonic, chaotic, demolish, deposit, despotic, erotic, exotic, geologic, harmonic, hydraulic, hypnotic, impoverish, Ionic, ironic, Islamic, laconic, Masonic, narcotic, neurotic, Platonic, quixotic, sardonic, spasmodic, symbolic, synopsis, Teutonic, unpolished
4 Syllables: UUSU
alcoholic, apostolic, catastrophic, diagnostic, economic, electronic, embryonic, episodic, histrionic, idiotic, metabolic, microscopic, parabolic, patriotic, periodic, philanthropic, philosophic, physiologic
5 Syllables: UUUSU
7 Syllables: UUUUUSU
Found 92 words across 5 groupings. Skipped 14 excess words of a similar stem.